期刊
CARBON
卷 48, 期 4, 页码 1262-1270出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2009.11.051
关键词
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资金
- National Basic Research Program of China [2007CB936603]
- National High Technology Research and Development Program of China [2007AA022005]
- National Natural Science Foundation of China [60604022, 10635070, 6080102]
- Project of Chinese Academy of Sciences [KSCX2-YW-G-058]
Novel p-hexafluoroisopropanol phenyl (HFIPPH) covalently functionalized single-walled carbon nanotubes (SWCNTs) have been prepared through in situ diazonium. reaction between SWCNTs and p-hexafluoroisopropanol aniline; moreover, the hybridized material can be characterized by ultraviolet vision near infrared spectroscopy, Raman spectroscopy, thermogravimetric analysis, X-ray photoelectron spectrometry field-emission scanning electron microscopy and high resolution transmission electron microscopy. The results reveal that the one-dimensional electronic structures of the functionalized tubes could be basically maintained without damaging their electronic properties. Considered that strong hydrogen-bonding can be formed between hexafluoroisopropanol groups and dimethyl methylphosphonate (DMMP) (simulant of nerve agent sarin), the SWCNT-HFIPPH sensing devices have been fabricated and employed to detect DMMP. Excellent sensitivity and selectivity of the hybridized SWCNT-HFIPPH devices suggest that it has great capability of detecting explosives and chemical warfare agents. (C) 2009 Elsevier Ltd. All rights reserved.
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